Improved tests
Better connection tests
Tests using temp:// neo4j by default
Merge remote-tracking branch 'origin/master' into connection-tests
test_temp_connection_timeout also requires process cleanup
Update test_connections.py

Added a comment explaining the slightly odd mocking out of ``py2neo.neo4j.GraphDatabaseService``
Merge pull request #34 from onefinestay/connection-tests

Better connection tests
merging master